   ([series]
    (pie-chart series {}))
   ([series
-    {:keys [width height title circular legend theme render-style
-            chart-style annotations-font annotation-distance
-            start-angle]
-     :or {width 640 height 500}}]
+    {:keys [width height title circular theme render-style annotation-distance
+            start-angle draw-all-annotations donut-thickness annotation-type]
+     :or {width 640 height 500}
+     :as styling}]
    {:pre [series]}
    (let [chart (PieChart. width height)]
      (doseq [[s-name num] series]

                             XChartPanel)
           (org.knowm.xchart.style Styler
                                   Styler$LegendPosition
                                   GGPlot2Theme
                                   MatlabTheme
                                   XChartTheme)

(def pie-render-styles
  {:pie PieSeries$PieSeriesRenderStyle/Pie
   :donut PieSeries$PieSeriesRenderStyle/Donut})

(def pie-annotation-types
  {:label PieStyler$AnnotationType/Label
   :label-and-percentage PieStyler$AnnotationType/LabelAndPercentage
   :percentage PieStyler$AnnotationType/Percentage})

(def legend-positions
  {:inside-n Styler$LegendPosition/InsideN
